| Rice hull depth (cm) | PAR | Blue | Green | Red | Far red | |
| (400 to 700 nm) | (450 to 499 nm) | (500 to 569 nm) | (620 to 699 nm) | (700 to 799 nm) | Red: Far red | |
| (µmol∙m−2∙s−1) | ||||||
| 0?unobstructed | 1846.44 | 284.74 | 456.94 | 556.75 | 591.72 | 0.941 |
| 0?beneath glass plate | 1500.61 | 234.51 | 378.85 | 441.36 | 440.78 | 1.001 |
| 0.3 | 48.85 | 2.49 | 7.41 | 27.72 | 55.40 | 0.500 |
| 0.6 | 3.30 | 0.09 | 0.51 | 2.06 | 6.97 | 0.296 |
| 1.0 | 1.06 | 0.07 | 0.36 | 0.36 | 0.63 | - |
| 1.3 | 0.92 | 0.08 | 0.35 | 0.24 | 0.07 | - |
| 1.9 | 0.56 | 0.05 | 0.26 | 0.09 | 0.01 | - |
| 2.5 | 0.71 | 0.06 | 0.28 | 0.18 | 0.03 | - |
| LSD0.05z | 69.31 | 11.208 | 17.446 | 19.615 | 19.584 | 0.234 |